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APH

Amphenol Corp /De/
$166.81 +2.22 (+1.35%) At close · Jul 6
Market Cap
$205.22B
Shares
1,230,234,445

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 2,128
Total Value: $142,649,235,675
Total Shares: 1,128,832,689
Showing 1–100 of 2,190 holdings by value · page 1 of 22

Institutional Ownership Trend

26 quarters

Superinvestors Holding APH

All superinvestors →
Ray Dalio $109,046,114 Joel Greenblatt $60,007,658 Stephen Mandel $28,186,663 Mario Gabelli $6,390,530 Wally Weitz $1,162,420

Holder Concentration

Across 2,124 13F filers
Top Holder
9.0%
Jun 2023 → Mar 2026 · range 9.0% – 13.4%
of institutional value
Top 5
32.6%
Jun 2023 → Mar 2026 · range 32.6% – 40.7%
of institutional value
Top 10
45.0%
Jun 2023 → Mar 2026 · range 45.0% – 53.4%
of institutional value
HHI
285
Jun 2023 → Mar 2026 · range 285 – 432
Broadly held
Showing 100 of 2,190
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $12,883,412,429 9.03% 101,966,066
Mega VANGUARD CAPITAL MANAGEMENT LLC $10,092,263,865 7.07% 79,875,456
Mega FMR LLC $10,041,984,776 7.04% 79,477,521
Mega STATE STREET CORP $7,252,037,414 5.08% 57,396,418
Mega JPMORGAN CHASE & CO $6,225,337,518 4.36% 49,270,578
Mega Capital International Investors $4,464,430,936 3.13% 35,333,842
Mega GEODE CAPITAL MANAGEMENT, LLC $3,954,245,429 2.77% 31,295,967
Mega Capital Research Global Investors $3,364,779,974 2.36% 26,630,629
Mega PRICE T ROWE ASSOCIATES INC /MD/ $3,308,715,446 2.32% 26,186,905
Mega BANK OF AMERICA CORP /DE/ Bank $2,612,372,921 1.83% 20,675,686
Mega MORGAN STANLEY $2,212,698,045 1.55% 17,512,450
Mega Bank of New York Mellon Corp Bank $2,061,032,308 1.44% 16,312,088
Mega WELLINGTON MANAGEMENT GROUP LLP $1,895,461,127 1.33% 15,001,671
Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/ $1,764,430,617 1.24% 13,964,627
Mega NORTHERN TRUST CORP Bank $1,701,876,374 1.19% 13,469,540
Mega Nuveen, LLC $1,658,022,946 1.16% 13,122,461
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $1,501,610,239 1.05% 11,884,529
Mega Invesco Ltd. $1,488,043,141 1.04% 11,777,152
Mega GOLDMAN SACHS GROUP INC $1,441,233,258 1.01% 11,406,674
Mega JENNISON ASSOCIATES LLC $1,293,637,001 0.91% 10,238,520
Mega ROYAL BANK OF CANADA Bank $1,234,198,038 0.87% 9,768,089
Mega JANUS HENDERSON GROUP PLC $1,195,079,957 0.84% 9,458,488
Mega FRANKLIN RESOURCES INC $1,175,918,848 0.82% 9,306,837
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $1,173,439,737 0.82% 9,287,216
Mega Legal & General Group Plc $1,025,204,404 0.72% 8,114,004
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $933,751,896 0.65% 7,390,201
Mega VANGUARD FIDUCIARY TRUST CO Bank $895,835,524 0.63% 7,090,111
Mega WELLS FARGO & COMPANY/MN $893,007,178 0.63% 7,067,726
Mega VICTORY CAPITAL MANAGEMENT INC $813,951,248 0.57% 6,442,036
Mega DEUTSCHE BANK AG\ Bank $809,391,397 0.57% 6,405,947
Mega Amundi $806,279,780 0.57% 6,381,320
Mega UBS Group AG $796,424,228 0.56% 6,303,318
Mega NEUBERGER BERMAN GROUP LLC $746,245,463 0.52% 5,906,177
Mega AQR CAPITAL MANAGEMENT LLC $713,835,673 0.50% 5,649,669
Large FLOSSBACH VON STORCH SE $703,598,801 0.49% 5,568,649
Mega AMERICAN CENTURY COMPANIES INC $670,647,605 0.47% 5,307,856
Mega ENVESTNET ASSET MANAGEMENT INC $661,023,273 0.46% 5,231,684
Mega BARCLAYS PLC $635,254,188 0.45% 5,027,734
Large VOYA INVESTMENT MANAGEMENT LLC $594,080,768 0.42% 4,701,866
Large ALKEON CAPITAL MANAGEMENT LLC $583,477,729 0.41% 4,617,948
Large EDGEWOOD MANAGEMENT LLC $581,772,131 0.41% 4,604,449
Mega DIMENSIONAL FUND ADVISORS LP $546,726,808 0.38% 4,327,082
Mid AXIOM INVESTORS LLC /DE $539,184,347 0.38% 4,267,387
Large SG Americas Securities, LLC Broker-Dealer $525,510,497 0.37% 4,159,165
Mega Sumitomo Mitsui Trust Group, Inc. $522,641,973 0.37% 4,136,462
Mega ALLIANCEBERNSTEIN L.P. $514,870,185 0.36% 4,074,952
Large Mawer Investment Management Ltd. $503,727,252 0.35% 3,986,761
Large STIFEL FINANCIAL CORP $468,465,617 0.33% 3,707,682
Mega TD Asset Management Inc $455,985,525 0.32% 3,608,908
Mega Swiss National Bank Bank $453,887,105 0.32% 3,592,300
Mega DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main Bank $442,948,477 0.31% 3,505,726
Mega National Pension Service Pension $420,066,495 0.29% 3,324,626
Large Swedbank AB Bank $409,430,477 0.29% 3,240,447
Large LAZARD ASSET MANAGEMENT LLC $401,654,015 0.28% 3,178,900
Large Alecta Tjanstepension Omsesidigt Pension $401,161,250 0.28% 3,175,000
Mega California Public Employees Retirement System Pension $394,099,043 0.28% 3,119,106
Mega RAYMOND JAMES FINANCIAL INC $392,309,546 0.28% 3,104,943
Large Rathbones Group PLC $389,568,005 0.27% 3,083,245
Large NATIXIS ADVISORS, LLC $385,263,134 0.27% 3,049,174
Mega PRINCIPAL FINANCIAL GROUP INC $365,952,178 0.26% 2,896,337
Mid Egerton Capital (UK) LLP $362,795,451 0.25% 2,871,353
Mega Mitsubishi UFJ Asset Management Co., Ltd. $359,828,500 0.25% 2,847,871
Large Alyeska Investment Group, L.P. $358,444,968 0.25% 2,836,921
Large JONES FINANCIAL COMPANIES LLLP $352,177,123 0.25% 2,787,314
Mega CANADA PENSION PLAN INVESTMENT BOARD Pension $342,626,706 0.24% 2,711,727
Mega Vanguard Global Advisers, LLC $339,948,086 0.24% 2,690,527
Large Allianz Asset Management GmbH $335,961,362 0.24% 2,658,974
Large Qube Research & Technologies Ltd $322,151,562 0.23% 2,549,676
Large BLAIR WILLIAM & CO/IL $318,442,305 0.22% 2,520,319
Mega HSBC HOLDINGS PLC $295,630,315 0.21% 2,339,773
Large MARSHALL WACE, LLP $295,319,117 0.21% 2,337,310
Large WORLDQUANT MILLENNIUM ADVISORS LLC $294,085,689 0.21% 2,327,548
Mega MILLENNIUM MANAGEMENT LLC $293,244,956 0.21% 2,320,894
Mega JANE STREET GROUP, LLC $293,157,270 0.21% 2,320,200
Mega RHUMBLINE ADVISERS $292,909,118 0.21% 2,318,236
Large CIBC Bancorp USA Inc. Bank $273,921,365 0.19% 2,167,957
Mega VANGUARD ASSET MANAGEMENT, Ltd $247,507,520 0.17% 1,958,904
Mid Local Pensions Partnership Investment Ltd Pension $246,597,295 0.17% 1,951,700
Large LOS ANGELES CAPITAL MANAGEMENT LLC $246,240,608 0.17% 1,948,877
Mega AMERIPRISE FINANCIAL INC $243,575,000 0.17% 1,927,780
Large Man Group plc $243,327,356 0.17% 1,925,820
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $236,910,545 0.17% 1,875,034
Large Allspring Global Investments Holdings, LLC $235,964,436 0.17% 1,867,546
Mega BANK OF MONTREAL /CAN/ Bank $235,499,337 0.17% 1,863,865
Large ADAGE CAPITAL PARTNERS GP, L.L.C. $225,520,598 0.16% 1,784,888
Large Vontobel Holding Ltd. $225,357,857 0.16% 1,783,600
Large USS Investment Management Ltd $219,792,900 0.15% 1,739,556
Large Bank Julius Baer & Co. Ltd, Zurich Bank $213,594,675 0.15% 1,690,500
Mega FIRST TRUST ADVISORS LP $213,500,544 0.15% 1,689,755
Large BAMCO INC /NY/ $209,701,831 0.15% 1,659,690
Large Russell Investments Group, Ltd. $202,773,674 0.14% 1,604,857
Mega SCHRODER INVESTMENT MANAGEMENT GROUP $201,620,357 0.14% 1,595,729
Mid Navera Investment Management Ltd. $201,523,069 0.14% 1,594,959
Large WEALTH ENHANCEMENT ADVISORY SERVICES, LLC $197,110,927 0.14% 1,560,039
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $196,903,840 0.14% 1,558,400
Mega Capital World Investors $196,320,987 0.14% 1,553,787
Mid Fenimore Asset Management Inc $195,917,046 0.14% 1,550,590
Large LORD, ABBETT & CO. LLC $194,439,383 0.14% 1,538,895
Mega CITIGROUP INC $192,735,299 0.14% 1,525,408
Mega LPL Financial LLC $189,896,342 0.13% 1,502,939
Key facts CIK 820313 CUSIP 032095101 13F (30d) 71 filings 29 filers Visit website Investor relations

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